New diabetes drug rongliflozin tested in patients with kidney problems

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Type 2 diabetes patients. * The subject is willing to take effective contraceptive measures without a pregnancy plan within 4 weeks after signing the informed consent form to taking the test drug. * When screening, 19.0 kg/m2 \< or = body mass index (BMI) \< or = 35.0 kg/m2. * No hypoglycemic drugs have been used in the 4 weeks before the baseline period, or stable doses of hypoglycemic drugs are being used. * No medications for other comorbidities or stable medication regimens within 4 weeks before the baseline period. * In the screening period, 6.5% \< or = glycosylated hemoglobin \< or =11.0%, and fasting blood glucose \< or = 13.9 mmol/L. * Glomerular filtration rate (eGFR) \> or = 90 mL/min/1.73m2 estimated according to the modified dietary trial for kidney disease (MDRD) formula (only applicable to patients with type 2 diabetes with normal renal function). * Accompanied by mild or moderate renal impairment, the eGFR calculated according to the MDRD formula meets the following criteria: mild renal impairment: 60\~89 mL/min/1.73m2, moderate renal impairment: 30\~59 mL/min/ 1.73m2 (only for patients with type 2 diabetes with impaired renal function). * Accompanied by mild or moderate renal impairment, accompanied by stable disease in the first 3 months of the baseline period (only applicable to patients with type 2 diabetes with renal impairment). Exclusion Criteria: * Known allergy to sodium-glucose cotransporter 2 (SGLT2) inhibitor drugs or related excipients. * In the 3 months before screening, those who smoked more than 5 cigarettes per day on average or who could not give up smoking from signing informed consent to leaving the group. * Have a history of alcoholism. * Ingested any food or drink containing caffeine, xanthine, alcohol, grapefruit within 48 hours before taking the test drug. * Those who donate blood or lose a lot of blood (\>400 mL) within 3 months before taking the test drug, or have a history of blood transfusion within 1 month before screening, or plan to donate blood within 1 month after the end of the trial. * Those who have taken the trial drug or such drugs within 1 month before taking the trial drug, or participated in the clinical trial of any drug or medical device within 3 months before screening. * Those who have a positive urine drug screen or have a history of drug abuse or drug use in the past 5 years. * The subject is breastfeeding or the serum pregnancy test result is positive. * Subjects had undergone surgery within 1 month before screening, or major surgery was planned during the study period. * Have severe mental illness or language barrier, unwilling or unable to fully understand and cooperate. * History or evidence of other diseases, such as history of repeated urinary tract infections, poorly controlled high blood pressure, type I diabetes, urinary incontinence, etc. * Abnormal laboratory tests, such as a) Alanine transaminase (ALT)/Aspartate aminotransferase (AST)\>2.0×UNL and/or total bilirubin\>1.5×UNL; b) hemoglobin \<100 g/L; c) hepatitis B surface antigen positive, hepatitis C antibody positive, HIV antibody positive , Syphilis antibody positive. * The researcher believes that the subject has any situation that may interfere with the interpretation of the pharmacokinetics, efficacy and safety data of this study. * Subjects considered by the researcher to be unsuitable to participate in this trial.